From 507c485113ddf327528e331405593af037a351e2 Mon Sep 17 00:00:00 2001
From: Alex Andreev <alex.andreev.email@gmail.com>
Date: Wed, 23 Dec 2020 11:51:43 +0300
Subject: [PATCH] Fixing logs scrolling state (#1847)

* Passing raw logs to PodLogs child components

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Avoid autoscrolling while user is scrolling

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

* Removing status panel from log controls

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>
---
 src/renderer/components/dock/info-panel.tsx   | 12 +++--
 .../components/dock/pod-log-controls.tsx      | 13 +++--
 src/renderer/components/dock/pod-log-list.tsx | 53 +++++++++++++------
 .../components/dock/pod-log-search.tsx        |  5 +-
 .../components/dock/pod-logs.store.ts         | 44 ++++++++++-----
 src/renderer/components/dock/pod-logs.tsx     | 27 +++-------
 6 files changed, 95 insertions(+), 59 deletions(-)

diff --git a/src/renderer/components/dock/info-panel.tsx b/src/renderer/components/dock/info-panel.tsx
index 4f36d47fc3..34e456fdd6 100644
--- a/src/renderer/components/dock/info-panel.tsx
+++ b/src/renderer/components/dock/info-panel.tsx
@@ -27,6 +27,7 @@ interface OptionalProps {
   showSubmitClose?: boolean;
   showInlineInfo?: boolean;
   showNotifications?: boolean;
+  showStatusPanel?: boolean;
 }
 
 @observer
@@ -38,6 +39,7 @@ export class InfoPanel extends Component<Props> {
     showSubmitClose: true,
     showInlineInfo: true,
     showNotifications: true,
+    showStatusPanel: true,
   };
 
   @observable error = "";
@@ -93,7 +95,7 @@ export class InfoPanel extends Component<Props> {
   }
 
   render() {
-    const { className, controls, submitLabel, disableSubmit, error, submittingMessage, showButtons, showSubmitClose } = this.props;
+    const { className, controls, submitLabel, disableSubmit, error, submittingMessage, showButtons, showSubmitClose, showStatusPanel } = this.props;
     const { submit, close, submitAndClose, waiting } = this;
     const isDisabled = !!(disableSubmit || waiting || error);
 
@@ -102,9 +104,11 @@ export class InfoPanel extends Component<Props> {
         <div className="controls">
           {controls}
         </div>
-        <div className="info flex gaps align-center">
-          {waiting ? <><Spinner /> {submittingMessage}</> : this.renderErrorIcon()}
-        </div>
+        {showStatusPanel && (
+          <div className="flex gaps align-center">
+            {waiting ? <><Spinner /> {submittingMessage}</> : this.renderErrorIcon()}
+          </div>
+        )}
         {showButtons && (
           <>
             <Button plain label={<Trans>Cancel</Trans>} onClick={close} />
diff --git a/src/renderer/components/dock/pod-log-controls.tsx b/src/renderer/components/dock/pod-log-controls.tsx
index 1d91a9ca11..9c1212597d 100644
--- a/src/renderer/components/dock/pod-log-controls.tsx
+++ b/src/renderer/components/dock/pod-log-controls.tsx
@@ -22,10 +22,9 @@ interface Props extends PodLogSearchProps {
 }
 
 export const PodLogControls = observer((props: Props) => {
-  const { tabData, save, reload, tabId, logs } = props;
+  const { tabData, save, reload, logs } = props;
   const { selectedContainer, showTimestamps, previous } = tabData;
-  const rawLogs = podLogsStore.logs.get(tabId) || [];
-  const since = rawLogs.length ? podLogsStore.getTimestamps(rawLogs[0]) : null;
+  const since = logs.length ? podLogsStore.getTimestamps(logs[0]) : null;
   const pod = new Pod(tabData.pod);
 
   const toggleTimestamps = () => {
@@ -39,8 +38,9 @@ export const PodLogControls = observer((props: Props) => {
 
   const downloadLogs = () => {
     const fileName = selectedContainer ? selectedContainer.name : pod.getName();
+    const logsToDownload = showTimestamps ? logs : podLogsStore.logsWithoutTimestamps;
 
-    saveFileDialog(`${fileName}.log`, logs.join("\n"), "text/plain");
+    saveFileDialog(`${fileName}.log`, logsToDownload.join("\n"), "text/plain");
   };
 
   const onContainerChange = (option: SelectOption) => {
@@ -118,7 +118,10 @@ export const PodLogControls = observer((props: Props) => {
           tooltip={_i18n._(t`Save`)}
           className="download-icon"
         />
-        <PodLogSearch {...props} />
+        <PodLogSearch
+          {...props}
+          logs={showTimestamps ? logs : podLogsStore.logsWithoutTimestamps}
+        />
       </div>
     </div>
   );
diff --git a/src/renderer/components/dock/pod-log-list.tsx b/src/renderer/components/dock/pod-log-list.tsx
index a3ab172a16..3d17c61f13 100644
--- a/src/renderer/components/dock/pod-log-list.tsx
+++ b/src/renderer/components/dock/pod-log-list.tsx
@@ -5,7 +5,7 @@ import AnsiUp from "ansi_up";
 import DOMPurify from "dompurify";
 import debounce from "lodash/debounce";
 import { Trans } from "@lingui/macro";
-import { action, observable } from "mobx";
+import { action, computed, observable } from "mobx";
 import { observer } from "mobx-react";
 import { Align, ListOnScrollProps } from "react-window";
 
@@ -15,7 +15,7 @@ import { Button } from "../button";
 import { Icon } from "../icon";
 import { Spinner } from "../spinner";
 import { VirtualList } from "../virtual-list";
-import { logRange } from "./pod-logs.store";
+import { podLogsStore } from "./pod-logs.store";
 
 interface Props {
   logs: string[]
@@ -47,23 +47,25 @@ export class PodLogList extends React.Component<Props> {
 
       return;
     }
+
     if (logs == prevProps.logs || !this.virtualListDiv.current) return;
+
     const newLogsLoaded = prevProps.logs.length < logs.length;
     const scrolledToBeginning = this.virtualListDiv.current.scrollTop === 0;
-    const fewLogsLoaded = logs.length < logRange;
 
-    if (this.isLastLineVisible) {
+    if (this.isLastLineVisible || prevProps.logs.length == 0) {
       this.scrollToBottom(); // Scroll down to keep user watching/reading experience
 
       return;
     }
 
     if (scrolledToBeginning && newLogsLoaded) {
-      this.virtualListDiv.current.scrollTop = (logs.length - prevProps.logs.length) * this.lineHeight;
-    }
+      const firstLineContents = prevProps.logs[0];
+      const lineToScroll = this.props.logs.findIndex((value) => value == firstLineContents);
 
-    if (fewLogsLoaded) {
-      this.isJumpButtonVisible = false;
+      if (lineToScroll !== -1) {
+        this.scrollToItem(lineToScroll, "start");
+      }
     }
 
     if (!logs.length) {
@@ -71,6 +73,20 @@ export class PodLogList extends React.Component<Props> {
     }
   }
 
+  /**
+   * Returns logs with or without timestamps regarding to showTimestamps prop
+   */
+  @computed
+  get logs() {
+    const showTimestamps = podLogsStore.getData(this.props.id).showTimestamps;
+
+    if (!showTimestamps) {
+      return podLogsStore.logsWithoutTimestamps;
+    }
+
+    return this.props.logs;
+  }
+
   /**
    * Checks if JumpToBottom button should be visible and sets its observable
    * @param props Scrolling props from virtual list core
@@ -115,7 +131,6 @@ export class PodLogList extends React.Component<Props> {
   @action
   scrollToBottom = () => {
     if (!this.virtualListDiv.current) return;
-    this.isJumpButtonVisible = false;
     this.virtualListDiv.current.scrollTop = this.virtualListDiv.current.scrollHeight;
   };
 
@@ -123,7 +138,13 @@ export class PodLogList extends React.Component<Props> {
     this.virtualListRef.current.scrollToItem(index, align);
   };
 
-  onScroll = debounce((props: ListOnScrollProps) => {
+  onScroll = (props: ListOnScrollProps) => {
+    if (!this.virtualListDiv.current) return;
+    this.isLastLineVisible = false;
+    this.onScrollDebounced(props);
+  };
+
+  onScrollDebounced = debounce((props: ListOnScrollProps) => {
     if (!this.virtualListDiv.current) return;
     this.setButtonVisibility(props);
     this.setLastLineVisibility(props);
@@ -137,7 +158,7 @@ export class PodLogList extends React.Component<Props> {
    */
   getLogRow = (rowIndex: number) => {
     const { searchQuery, isActiveOverlay } = searchStore;
-    const item = this.props.logs[rowIndex];
+    const item = this.logs[rowIndex];
     const contents: React.ReactElement[] = [];
     const ansiToHtml = (ansi: string) => DOMPurify.sanitize(colorConverter.ansi_to_html(ansi));
 
@@ -179,15 +200,15 @@ export class PodLogList extends React.Component<Props> {
   };
 
   render() {
-    const { logs, isLoading } = this.props;
-    const isInitLoading = isLoading && !logs.length;
-    const rowHeights = new Array(logs.length).fill(this.lineHeight);
+    const { isLoading } = this.props;
+    const isInitLoading = isLoading && !this.logs.length;
+    const rowHeights = new Array(this.logs.length).fill(this.lineHeight);
 
     if (isInitLoading) {
       return <Spinner center/>;
     }
 
-    if (!logs.length) {
+    if (!this.logs.length) {
       return (
         <div className="PodLogList flex box grow align-center justify-center">
           <Trans>There are no logs available for container</Trans>
@@ -198,7 +219,7 @@ export class PodLogList extends React.Component<Props> {
     return (
       <div className={cssNames("PodLogList flex", { isLoading })}>
         <VirtualList
-          items={logs}
+          items={this.logs}
           rowHeights={rowHeights}
           getRow={this.getLogRow}
           onScroll={this.onScroll}
diff --git a/src/renderer/components/dock/pod-log-search.tsx b/src/renderer/components/dock/pod-log-search.tsx
index dbbcf4901a..e75d7c33d9 100644
--- a/src/renderer/components/dock/pod-log-search.tsx
+++ b/src/renderer/components/dock/pod-log-search.tsx
@@ -12,10 +12,13 @@ export interface PodLogSearchProps {
   onSearch: (query: string) => void
   toPrevOverlay: () => void
   toNextOverlay: () => void
+}
+
+interface Props extends PodLogSearchProps {
   logs: string[]
 }
 
-export const PodLogSearch = observer((props: PodLogSearchProps) => {
+export const PodLogSearch = observer((props: Props) => {
   const { logs, onSearch, toPrevOverlay, toNextOverlay } = props;
   const { setNextOverlayActive, setPrevOverlayActive, searchQuery, occurrences, activeFind, totalFinds } = searchStore;
   const jumpDisabled = !searchQuery || !occurrences.length;
diff --git a/src/renderer/components/dock/pod-logs.store.ts b/src/renderer/components/dock/pod-logs.store.ts
index 057b8eea15..2f3574d115 100644
--- a/src/renderer/components/dock/pod-logs.store.ts
+++ b/src/renderer/components/dock/pod-logs.store.ts
@@ -27,11 +27,11 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
   private refresher = interval(10, () => {
     const id = dockStore.selectedTabId;
 
-    if (!this.logs.get(id)) return;
+    if (!this.podLogs.get(id)) return;
     this.loadMore(id);
   });
 
-  @observable logs = observable.map<TabId, PodLogLine[]>();
+  @observable podLogs = observable.map<TabId, PodLogLine[]>();
   @observable newLogSince = observable.map<TabId, string>(); // Timestamp after which all logs are considered to be new
 
   constructor() {
@@ -48,7 +48,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
       }
     }, { delay: 500 });
 
-    reaction(() => this.logs.get(dockStore.selectedTabId), () => {
+    reaction(() => this.podLogs.get(dockStore.selectedTabId), () => {
       this.setNewLogSince(dockStore.selectedTabId);
     });
 
@@ -72,7 +72,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
       });
 
       this.refresher.start();
-      this.logs.set(tabId, logs);
+      this.podLogs.set(tabId, logs);
     } catch ({error}) {
       const message = [
         _i18n._(t`Failed to load logs: ${error.message}`),
@@ -80,7 +80,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
       ];
 
       this.refresher.stop();
-      this.logs.set(tabId, message);
+      this.podLogs.set(tabId, message);
     }
   };
 
@@ -91,14 +91,14 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
    * @param tabId
    */
   loadMore = async (tabId: TabId) => {
-    if (!this.logs.get(tabId).length) return;
-    const oldLogs = this.logs.get(tabId);
+    if (!this.podLogs.get(tabId).length) return;
+    const oldLogs = this.podLogs.get(tabId);
     const logs = await this.loadLogs(tabId, {
       sinceTime: this.getLastSinceTime(tabId)
     });
 
     // Add newly received logs to bottom
-    this.logs.set(tabId, [...oldLogs, ...logs]);
+    this.podLogs.set(tabId, [...oldLogs, ...logs]);
   };
 
   /**
@@ -134,7 +134,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
    * @param tabId
    */
   setNewLogSince(tabId: TabId) {
-    if (!this.logs.has(tabId) || !this.logs.get(tabId).length || this.newLogSince.has(tabId)) return;
+    if (!this.podLogs.has(tabId) || !this.podLogs.get(tabId).length || this.newLogSince.has(tabId)) return;
     const timestamp = this.getLastSinceTime(tabId);
 
     this.newLogSince.set(tabId, timestamp.split(".")[0]); // Removing milliseconds from string
@@ -147,18 +147,38 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
   @computed
   get lines() {
     const id = dockStore.selectedTabId;
-    const logs = this.logs.get(id);
+    const logs = this.podLogs.get(id);
 
     return logs ? logs.length : 0;
   }
 
+
+  /**
+   * Returns logs with timestamps for selected tab
+   */
+  get logs() {
+    const id = dockStore.selectedTabId;
+
+    if (!this.podLogs.has(id)) return [];
+
+    return this.podLogs.get(id);
+  }
+
+  /**
+   * Removes timestamps from each log line and returns changed logs
+   * @returns Logs without timestamps
+   */
+  get logsWithoutTimestamps() {
+    return this.logs.map(item => this.removeTimestamps(item));
+  }
+
   /**
    * It gets timestamps from all logs then returns last one + 1 second
    * (this allows to avoid getting the last stamp in the selection)
    * @param tabId
    */
   getLastSinceTime(tabId: TabId) {
-    const logs = this.logs.get(tabId);
+    const logs = this.podLogs.get(tabId);
     const timestamps = this.getTimestamps(logs[logs.length - 1]);
     const stamp = new Date(timestamps ? timestamps[0] : null);
 
@@ -176,7 +196,7 @@ export class PodLogsStore extends DockTabStore<IPodLogsData> {
   }
 
   clearLogs(tabId: TabId) {
-    this.logs.delete(tabId);
+    this.podLogs.delete(tabId);
   }
 
   clearData(tabId: TabId) {
diff --git a/src/renderer/components/dock/pod-logs.tsx b/src/renderer/components/dock/pod-logs.tsx
index 5b9c2860c4..696c2bf0ab 100644
--- a/src/renderer/components/dock/pod-logs.tsx
+++ b/src/renderer/components/dock/pod-logs.tsx
@@ -1,5 +1,5 @@
 import React from "react";
-import { computed, observable, reaction } from "mobx";
+import { observable, reaction } from "mobx";
 import { disposeOnUnmount, observer } from "mobx-react";
 
 import { searchStore } from "../../../common/search-store";
@@ -79,31 +79,15 @@ export class PodLogs extends React.Component<Props> {
     }, 100);
   }
 
-  /**
-   * Computed prop which returns logs with or without timestamps added to each line
-   * @returns {Array} An array log items
-   */
-  @computed
-  get logs(): string[] {
-    if (!podLogsStore.logs.has(this.tabId)) return [];
-    const logs = podLogsStore.logs.get(this.tabId);
-    const { getData, removeTimestamps } = podLogsStore;
-    const { showTimestamps } = getData(this.tabId);
-
-    if (!showTimestamps) {
-      return logs.map(item => removeTimestamps(item));
-    }
-
-    return logs;
-  }
-
   render() {
+    const logs = podLogsStore.logs;
+
     const controls = (
       <PodLogControls
         ready={!this.isLoading}
         tabId={this.tabId}
         tabData={this.tabData}
-        logs={this.logs}
+        logs={logs}
         save={this.save}
         reload={this.reload}
         onSearch={this.onSearch}
@@ -119,11 +103,12 @@ export class PodLogs extends React.Component<Props> {
           controls={controls}
           showSubmitClose={false}
           showButtons={false}
+          showStatusPanel={false}
         />
         <PodLogList
+          logs={logs}
           id={this.tabId}
           isLoading={this.isLoading}
-          logs={this.logs}
           load={this.load}
           ref={this.logListElement}
         />